22012002120211 has 4 divisors (see below), whose sum is σ = 22034532317832. Its totient is φ = 21989471922592.

The previous prime is 22012002120203. The next prime is 22012002120223. The reversal of 22012002120211 is 11202120021022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22012002120211 - 2³ = 22012002120203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012002100211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11265097345 + ... + 11265099298.

It is an arithmetic number, because the mean of its divisors is an integer number (5508633079458).

Almost surely, 2^{22012002120211} is an apocalyptic number.

22012002120211 is a deficient number, since it is larger than the sum of its proper divisors (22530197621).

22012002120211 is an equidigital number, since it uses as much as digits as its factorization.

22012002120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22530197620.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22012002120211 its reverse (11202120021022), we get a palindrome (33214122141233).

The spelling of 22012002120211 in words is "twenty-two trillion, twelve billion, two million, one hundred twenty thousand, two hundred eleven".